package cn.service.impl;

import cn.entity.AuthenticationRequest;
import cn.entity.UserDto;
import cn.service.AuthenticationService;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

/**
 * @author Mxb
 * @version 1.0
 * @date 2020/7/26 22:05
 */
@Service
public class AuthenticationServiceImpl implements AuthenticationService {
    @Override
    public UserDto authertication(AuthenticationRequest authenticationRequest) {
        if (authenticationRequest == null
                || StringUtils.isEmpty(authenticationRequest.getUsername())
                || StringUtils.isEmpty(authenticationRequest.getPassword())) {
            throw new RuntimeException("账号或密码为空");
        }
        UserDto userDto = getUserDto(authenticationRequest.getUsername());

        if (userDto == null) {
            throw new RuntimeException("查询不到该用户");
        }
        if (!authenticationRequest.getPassword().equals(userDto.getPassword())) {
            throw new RuntimeException("账号或密码错误");
        }

        return userDto;
    }

    //模拟用户查询
    public UserDto getUserDto(String username) {
        return userMap.get(username);
    }

    //用户信息
    private Map<String, UserDto> userMap = new HashMap<>();

    {
        Set<String>  authorities1 = new HashSet<>();
        authorities1.add("p1");

        Set<String>  authorities2 = new HashSet<>();
        authorities2.add("p2");

        userMap.put("zhangsan", new UserDto("1010", "zhangsan", "123", "张三", "133443",authorities1));
        userMap.put("lisi", new UserDto("1011", "lisi", "456", "李四", "144553",authorities2));
    }
}
